between 30 and 40

When the pumping time between 30 days and 40 days and the amount of pumping pollution between 70% and 80%, the pumping efficiency significantly reduced.

当抽水时间大于30天-40天，抽出污染物的量大于70%-80%时，抽水效率有明显的降低，随着时间的增长，降低速度越来越快。

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The results prove that: the efficiency is highest when the angle is between 30 degree and 40 degree.

结果表明：当入射角度为30°到40°时，修整效率最高。

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According to a recent report from South Korea's national statistics office, more than 50 percent of unmarried adults between the ages of 30 and 40, and 44 percent of those between 40 and 44, still live with their parents.

韩国国家统计局最新报告显示，一半以上30至40岁的未婚成年人以及44%的40至44岁的未婚成年人仍然和父母住在一起。

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The international operations of the group, which is owned by the US giant Viacom, grew between 30 and 40 percent in 2002.

在2002年，这家美国巨头维亚康姆旗下集团的国际业务拓展了30-40%。

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This will mean MBS, which is famous for its corporate courses, will be able to rebalance its revenues so that half will come from degree teaching, up from between 30 and 40 per cent.

这就意味着以企业管理课程闻名的墨尔本商学院将能够重新平衡其收入，从而让学位教学的收入比重从30-40%上升到50%。

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The peak age incidence of IBS was between 30 and 40 years old, and the incidence of IBS was higher with increase of age before 40 years old, but lower with increase of age beyond 40 years old.

IBS患者在40岁之前随年龄的增长而逐渐增多，40岁之后随年龄的增长而逐渐减少，发病高峰年龄为30～40岁。

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When the temperatures of supply and return water are between 30 ℃ and 40 ℃, the change range of average floor surface temperature is between 24 ℃ and 26 ℃, which meets the radiant floor heating standard.

当供回水温度为30~40℃时，地板表面平均温度的变化范围为24~26℃，符合地板辐射供暖标准。

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Epidemiological studies show that the incidences of falls is between 30% and 40% in the community-dwelling elderly over 65 years each year and about 50% in the long-term health care institutions in U.S.A and Europe.

流行病学显示欧美等国居住在社区的65岁以上的老人每年有30%～40%发生跌倒，长期生活在保健机构的老人有近半数的老人出现过跌倒；

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The temperature ranges between 30 and 40 degrees centigrade.

温度在摄氏三十度与四十度之间.

词典精选例句

Conclusions: Most of the trainees in the class of graduate course for advanced medical workers in Anhui Province are key workforces aged between 30 and 40;

结论安徽省医学研究生课程进修班学员主要是30-40岁之间的业务骨干；

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There is a striking difference in different dimensions of satisfaction with work between teachers of different age, and especially teachers between 30-39 and 40-49 years old have the lowest mark on the satisfaction with work;

不同年龄段的高校教师在工作满意度的各个维度上差异均显著，尤以30-39岁、40-49岁年龄段的高校教师工作满意度的得分低；

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The insoluble fiber content decreases with the ambient temperature increasing, and the result is stable between 30 and 40 ℃.

环境温度升高，不溶纤维含量减小，温度降低，不溶纤维含量增大，环境温度在30～40℃间结果较为稳定。

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'The negative effects of fat and alcohol we see today would not have mattered so much then as life expectancies were between 30 and 40 years.'

我们今天所看到的高脂肪和酗酒所导致的副作用可能在当时并不是一个问题，因为当时人类的寿命仅仅是在三十到四十岁之间。

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The deductions are likely to cut many banks' equity totals by between 30 per cent and 40 per cent, according to people who have seen the data.

据看过数据的人士透露，扣减量可能会将许多银行的股本总额削减30%至40%。

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The achievement gap between children from high-and low-income families is 30-40% larger among children born in 2001 than those born 25 years earlier, according to Mr. Reardon's research.

里尔登的研究发现，在高收入家庭和低收入家庭之间，出生于2001年的孩子当中的成绩差距，与25年前出生的孩子相比扩大了30%-40%。

六级真题- 2017年 6月 3卷 信息匹配

Normal corn showed significantly higher SS activity than other genotypes between 30 and 40 DAP.

30～40DAP，普通玉米的SS活性显著高于其他3种类型；

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Given the high price of room and board and the closeness of the school to his family, he chose to live at home and worked between 30 and 40 hours a week while taking a full class schedule.

考虑到食宿价格高昂，学校与家之间距离又很近，他选择住在家里，每周工作30至40小时，同时还要完成排得满满当当的课程。

六级真题- 2015年 12月 1卷 信息匹配

In the paper we acquire a result by making experiments repeatedly. When making perspective shade and shadow, we can increase sense of beauty in architectural drawing by using height angle of ray between 30 ° and 40 °.

通过反复作图试验，得出画建筑效果图的透视阴影时，30°～40°的光线角度能增强建筑效果图美感的结论。

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